Portable spectrophotometer



FIG. 1 is a perspective view of a portable spectrophotometer, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a sectional view taken on line 6--6 of FIG. 2. 

The ornamental design for a portable spectrophotometer, as shown and described. 